A client whose mail is routed through our SIMS server (we host his domain, but he picks it up at his local dialup's mail server) has been complaining about blank emails that he suspects are spammers' attempts to deliver something small to confirm the address' existence so they can pound him with spam later.
The suspect emails have no subject, no body, no From line (at least in when he downloads them in Outlook). Just plain blank.
I set SIMS to store his mail so I could examine it for myself. The three message headers below were pulled from his mailbox via MailSiphon. They are the entire message.
I later downloaded all the mail with Eudora, and none of the three below even show up in my mailboxes (though they may have been filtered to trash, as I forgot to empty it before doing this and I don't want to wade through 400 msgs to find 'em).
So, the questions are:
1) Is this some sort of new trick by spammers?
2) is there any way to deal with it using SIMS?
3) Is it even something to worry about?
4) Does Eudora have enough smarts to look at this, see that they're incomplete messages, and just send a delete message to the server? (client uses Outlook, by the way).
(client's address supressed)
Thanks.
+OK Message follows
Return-Path: [EMAIL PROTECTED]
Received: from [64.122.148.75] (HELO BRETT)
by mail.greenbuilder.com (Stalker SMTP Server 1.8b9d14)
with SMTP id S.0006606695 for <address supressed>; Sun, 28 Mar 2004 12:49:48 -0600
Received: from 193.137.168.21 by 64.122.148.75; Sun, 28 Mar 2004 12:55:00 -0500
Date: Sun, 28 Mar 2004 12:49:49 -0600
Message-ID: <L[20
+OK Message follows
Return-Path: [EMAIL PROTECTED]
Received: from 80.179.154.4.forward.012.net.il ([80.179.154.4] verified)
by mail.greenbuilder.com (Stalker SMTP Server 1.8b9d14)
with SMTP id S.0006611208 for <address supressed>; Sun, 28 Mar 2004 17:52:26 -0600
Date: Sun, 28 Mar 2004 17:52:27 -0600
+OK Message follows
Return-Path: [EMAIL PROTECTED]
Received: from 213.Red-81-41-80.pooles.rima-tde.net ([81.41.80.213] verified)
by mail.greenbuilder.com (Stalker SMTP Server 1.8b9d14)
with SMTP id S.0006813301 for <address supressed>; Mon, 05 Apr 2004 13:18:12 -0600
Status: U
Return-Path: <[EMAIL PROTECTED]>
Date: Mon, 05 Apr 2004 13:18:14 -0600
Received: from cowpony.mail.deportation.com ([64.36.102.113])
by penguin (infinitive SMTP Server) with SMTP id S[7-- Bill Christensen http://greenbuilder.com/contact/
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